Assignee
CRUCIBLE SA
LU·15 granted patents·245 citations·filing 1981–1991
Top patents by PatentIndex Score
15 records- 0178US4453073AHigh frequency welding apparatusCRUCIBLE SA·Filed 1981·Granted Jun 5, 1984·31 cites·2 claims
- 0275US4827215AMethod of and apparatus for magnetic saturation testing a wire rope for defectsCRUCIBLE SA·Filed 1987·Granted May 2, 1989·41 cites·5 claims
- 0371US5036277AMethod of and apparatus for detecting cross sectional area variations in an elongate object by the non-inductive measurement of radial flux variationsCRUCIBLE SA·Filed 1988·Granted Jul 30, 1991·28 cites·11 claims
- 0468US4520255AHigh frequency self-oscillating welding apparatusCRUCIBLE SA·Filed 1983·Granted May 28, 1985·25 cites·4 claims
- 0564US4467895ASlack rope detecting apparatusCRUCIBLE SA·Filed 1982·Granted Aug 28, 1984·22 cites·8 claims
- 0663US4722485AGrinding mill controlCRUCIBLE SA·Filed 1986·Granted Feb 2, 1988·21 cites·4 claims
- 0757US4929897AMethod and apparatus for detecting cross sectional area variations in a elongate object by measuring radial magnetic flux variations using spaced-apart coilsCRUCIBLE SA·Filed 1988·Granted May 29, 1990·24 cites·9 claims
- 0854US4606219AGas detectorsCRUCIBLE SA·Filed 1984·Granted Aug 19, 1986·17 cites·10 claims
- 0934US4486038AEnergy storageCRUCIBLE SA·Filed 1982·Granted Dec 4, 1984·6 cites·8 claims
- 1032US4761589AMine hoist control method and apparatusCRUCIBLE SA·Filed 1986·Granted Aug 2, 1988·7 cites·4 claims
- 1131US4892289ALetdown valvesCRUCIBLE SA·Filed 1982·Granted Jan 9, 1990·10 cites·4 claims
- 1230US4684879ATransistor base drive circuitCRUCIBLE SA·Filed 1986·Granted Aug 4, 1987·2 cites·5 claims
- 1330US4423411AIonization type fire detectorCRUCIBLE SA·Filed 1981·Granted Dec 27, 1983·4 cites·7 claims
- 1418US4666212AMetal value recoveryCRUCIBLE SA·Filed 1985·Granted May 19, 1987·6 cites·2 claims
- 1514US5133626AMobile stope support apparatusCRUCIBLE SA·Filed 1991·Granted Jul 28, 1992·1 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →